DLA DESC-DWG-84028 REV A-1989 CABLES ELECTRICAL ALUMINUM FOIL SHIELDED PAIRS 18 GAUGE - 2 PAIRS OF CONDUCTORS《铝箔屏蔽对18口径-2双导体电机电缆》.pdf

1、DESC-DWG-84028 REV A bL m 7777775 00Lb583 3 m I REVISIONS DESCRIPTION Table I, weight, change to 66 lbs. Table II, dc resistance, change to 6.8 ohms. Prepared in accordance with 000-S 0-100 Selected item drawing 6 July 1984 es, Electrical , Aluminum Foil ielded Pairs 18 Gage - 2 Pairs of n I DESCFOR

2、Y 144 AMSC NIA 6145-EO68 MAR 74 DISTRIBUTION STATEMENT A. Approved public release; distribution is unlimited. - / Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-DESC-DWG-89028 REV A bL 7999795 001b589 5 JACKET. CONDUCTOR 7 INSULATION LORAIN WIRE SHI

3、ELD FIGURE 1. General configuration. 3 SIZE CODE IRENT. NO. DWG NO. DEFENSE ELECTRONICS SUPPLY CENTER A 14933 84028 REV PAGE DAYTON, OHIO - DESC PQRM 144A APR 83 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-DESC-DWG-Y028 REV A bL m 7777775 00Lb585

4、 7 SIZE CODE IDENT. NO. DEFENSE ELECTRONICS SUPPLY CENTER A 14933 The complete requirements for processing the cable described herein shall consist of this locument and the latest issue of Drawing 84014. DWG NO. 84028 TABLE I. Description, physical. REV A DAYTON, OHIO 1 I Components I INumber of pai

5、rs - - - - - - - - - - - I I. IConductor type- - - - - - - - - - - - I IConductor stranding - - - - - - - - - IConductor insulation- - - - - - - - - IConductor insulation thickness- - - - IShield- - - - - - - - - - - - - - - - I PAGE 3 IDrain wire- - - - - - - - - - - - - - I IDrain wire stranding-

6、 - - - - - - - I IPair lay lengths- - - - - - - - - - - I IPVC Jacket thickness- - - - - - - - - I !Finished cable diameter - - - - - - - !Tensile strength (jacket) - - - - - - I IElongation (jacket) - - - - - - - - - I I IWeight, maximum - - - - - - - - - - - I IHardness- - - - - - - - - - - - - -

7、 - I ICable style - - - - - - - - - - - - - I Construction details I I Two pairs, twisted, one overall shield Tinned copper, 18 AWG I I Sixteen strands of 30 AWG I I PVC I I .O16 inch 1.002 inch I I Polyester backed aluminum foil, I 100 percent coverage, 25 percent I over1 ap , mi nmum I I Tinned co

8、pper, 18 AWG I I Sixteen strands of 30 AWG I I 1.75 inch, left hand lay I I .O43 inch 1.005 inch I I .376 inch 1.015 inch I I 2000 PSI, minimum I I 150 percent, minimum I I Round I I 66 pounds/1000 ft I I 95 a3 I I . Provided by IHSNot for ResaleNo reproduction or networking permitted without licens

9、e from IHS-,-,-TABLE II. Description, electrical. I I I Electrical characteristics I Requirements I I I I I 1Nominal capacitance between conductors I I at 1 kHZ - - - - - - - - - - - - - - I 35 pfd/fOOt I I I I I Nominal capacitance between conductors I I with one conductor tied to the shield1 I at

10、1 kHz - - I I /Continuous working voltage - - - - - - I 300 Y rms I I I I IMaximum conductor dc resistance- - - - I 6.8 ohms/1000 feet I I I I - - - - - - - - - - - I 54 pfd/foot Nominal inductance of pairs- - - - - - I ,175 microhenries/foot I I I I TABLE III. Insulator color code. Pair number(s1 L

11、/ I COI or I I I I 1 I B1 ack/Red I 2 I B1 ack/Red I I I I I I i/ Pairs shall be marked 1-1 and 2-2. - IEQU IREMENTS : 1. Shield location and orientation. The shield is to be located at the outer circumference of the.pairs with the aluminum foil side inward. 2. Drain wire location. The drain wire is

12、 to be spiraljy located between the conductors and ;hield and it is to be in continuous contact with the aluminum surface of the foil shield :hroughout the cable. 3. Cable temperature rating. The cable temperature ratjng should be -20C to +80eC. 4, Fiame resistence. To be determined. 5. Part number. 84014/28-1802P. SIZE CODE IDENT. NO. DWG NO. DEFENSE ELECTRONICS SUPPLY CENTER A 14933 84028 REV A PAGE 4 DAYTON, OHIO DESC FORM 144A APR 83 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-